Have dirtree_notdotdot() pass through !node->parent so . and .. on the command

line aren't filtered out. Audited all the callers and removed redundant
calls, adjusted call sequence, etc. (And let rm _not_ do this, because posix.)

2 files changed, 2 insertions, 2 deletions

diff --git a/toys/pending/diff.c b/toys/pending/diff.c
index 53bdbce3..b2177c4f 100644
--- a/toys/pending/diff.c
+++ b/toys/pending/diff.c
@@ -484,7 +484,7 @@ static int list_dir (struct dirtree *node)
 {
   int ret = 0;
 
-  if (node->parent && !dirtree_notdotdot(node)) return 0;
+  if (!dirtree_notdotdot(node)) return 0;
 
   if (S_ISDIR(node->st.st_mode) && !node->parent) { //add root dirs.
     add_to_list(node);
diff --git a/toys/pending/tar.c b/toys/pending/tar.c
index 8d4c3d60..d672d102 100644
--- a/toys/pending/tar.c
+++ b/toys/pending/tar.c
@@ -274,7 +274,7 @@ static int add_to_tar(struct dirtree *node)
     return ((DIRTREE_RECURSE | ((toys.optflags & FLAG_h)?DIRTREE_SYMFOLLOW:0)));
   }
 
-  if (node->parent && !dirtree_notdotdot(node)) return 0;
+  if (!dirtree_notdotdot(node)) return 0;
   path = dirtree_path(node, 0);
   add_file(hdl, &path, &(node->st)); //path may be modified
   free(path);